Door guard



p 1966 E. w. GARRETT 3,271,063

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United States Patent 3,271,063 DOOR GUARD Edd W. Garrett, 4350 S.Prairie Ave., Chicago, Ill. Filed Apr. 29, 1964, Ser. No. 363,506 1Claim. (Cl. 292346) This invention relates to building construction, andmore particularly to the doors of a building to be given the maximum ofprotection against forced entry by burglars and other unauthorizedpersons.

Although many practical devices are available to builders and the likefor the prevention of forced entry into buildings, these devices arenearly always adapted to windows, or else are some form of locks orchains for door rather than some form of structural element that willprevent one from jimmying the door open.

It is therefore the principal object of this invention to provide a doorguard in the form of a pair of structural strips one of which is mountedon the vertical edge of the door and the other on its door frame in sucha way as to prevent anyone from jimmying the door open.

Another object of this invention is to provide a door guard that willnot detract from the beauty of the door and its frame.

Another object of this invention is to provide a door guard than can bemounted on any door and frame regardless of its location, size, and/ormaterial.

Another object of this invention is to provide a door guard that willnot interfere with the normal opening and closing of the door.

Another object of this invention is to provide a door guard that ismanufactured from but two mating strips of material that can be securedto the door and its frame by a plurality of screws by even the mostinexperienced person.

Still another one of the many objects of this unique invention is toprovide a door guard that can be secured to any existing door and framein a minimum of time without the necessity of making alterations toeither the door or its frame.

The invention will best be understood by reference to the followingdescription, when taken in connection with the accompanying drawing ofone specific embodiment thereof, while its scope will be pointed outmore particularly in the appended claim.

In the drawing:

FIGURE 1 is a pictorial view of that part of this invention that issecured to the door.

FIGURE 2 is a pictorial view of that part of this invention that issecured to a door frame.

FIGURE 3 is a pictorial view of a typical interior door partly open andwith this invention secured both to the door and its frame.

FIGURE 4 is a pictorial view similar to that of FIG- URE 3 but with thedoor closed.

FIGURE 5 is a sectional view of this invention taken along line 55 ofFIGURE 4 and viewed in the direction indicated by the arrows.

Referring to the accompany drawing and to the embodiment of that form ofthe invention selected for illustration, there is herein shown astructural strip that consists of a fiat elongated strip 11 having oneedge 12 that, when viewed from the end, is curved into a channel of theconfiguration of a letter U having an outwardly extending leg 13, theoutwardly extending leg terminating in an edge which is in substantiallythe same plane as the elongated strip. The aforesaid flat elongatedstrip 11 is provided with a horizontally disposed elongated opening 14in the upper end 15 while an alike horizontally disposed elongatedopening having the same reference number 14 on the drawing is located inthe lower 3,271,063 Patented Sept. 6, 1966 end 16 of the same aforesaidflat elongated strip which is also provided with a plurality of equallyspaced an vertically disposed circular openings 17 between the two justmentioned elongated openings 14. Screws 18 are first placed through thetwo elongated openings 14 when the aforesaid structural strip 10 issecured to the side of the door 19, thereby permitting lateraladjustment of the structural strip on the door. When this has beensatisfactorily done, other screws are placed through the plurality ofopenings 17 thereby firmly fixing the same structural strip in place onthe door. The heads of all the screws 18 contain special recessestherein adapted to receive the end of a special screwdriver to be usedfor the installation of this invention on a door and its frame. Thepurpose of this is to prevent any unauthorized person from taking anordinary screwdriver and removing this door guard from the door and itsframe.

A second structural strip 20 has a fiat elongated metal strip 21 inwhich are located both elongated and circular openings that areidentical to the ones to be found in the aforesaid structural strip 10for the same type of structural strip securement screws. Both theopenings and the screws in this second structural strip 20 arecharacterized by the same reference numerals as are those previouslygiven herein for the aforementioned structural strip 10. Returning nowto the structural strip 20. one edge of the aforesaid flat elongatedmetal strip 21 of the structural strip is formed at a right anglethereto into a curved channel portion 22 that is the shape of a quadrantof a hollow cylinder and is adapted to receive the U-shaped portion ofstructural strip 10 when the same has been installed on the door 19 whenthe door is shut is shown in FIGURE 5. The just mentioned structuralstrip 20 is secured to the door jam 23 by the screws 18 as is clearlyshown in FIGURE 5 of the drawing.

From the above description of this invention when read in connectionwith the accompanying drawing, one can see at a glance that when thisunique door guard. which is made from any desired metal such as steel oraluminum, has been secured in place that no one can possibly jimmy thedoor open by placing a screwdriver between the edge of the door 19 andits jamb 23, thereby forcing the door open.

Attention is directed to the fact that the structural strip 10 is somounted on the side of the door 19 that the edge 24 of the outwardlyextending leg 13 of the aforesaid structural strip 10 does not extendout beyond the edge 25 of the aforesaid door 19. When the door 19 isshut. the external surface of the U-shaped portion of the aforesaidstructural strip 10 will normally nest within the internal surface ofthe curved portion of structural strip 20 of this invention. These twopoints of assembly of this invention are best illustrated in FIGURE 5 ofthe accompanying drawing.

While I have shown and described a simple exemplification of myinvention minutely as to detail, it is to be understood that I may varythe structural features within the scope of the claim.

I claim:

A door guard of the character described, comprising a first elongatedflat metal strip, an elongated U-shaped channel having one edgeterminating in one edge of the metal strip and the other edge in thesame plane as the metal strip, a second elongated, fiat metal strip, asecond elongated metal channel which is substantially a quadrant of ahollow cylinder, the second channel having one edge terminating in oneedge of said second elongated strip and the other edge terminating in aplane at right angles to the plane of said second metal strip, the metalstrips having elongated transverse openings near each end thereof andspaced circular openings between References Cited by the Examiner UNITEDSTATES PATENTS 1/1896 Mannstaedt 10974 Bell 2069 Barry 292346 Mora292346 Kamrnerer 2069 Kitzelman 2071 Hare 2069 HARRISON R. MOSELEY,Primary Examiner.

REINALDO P. MACHADO, Examiner.

7/1905 Charlton 2069 10 W.E.HEATON,AssismnrExaminer.

